Greenhouse - Goodbye Old Friend, Hello New

Discussion in 'Garden Projects and DIY' started by shiney, Oct 25, 2025.

  1. pete

    pete Growing a bit of this and a bit of that....

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    I was just thinking that the concrete blocks the old greenhouse stood on were basically like building a wall, you could level it up as you go.
     
  2. shiney

    shiney President, Grumpy Old Men's Club Staff Member

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    Not sure it worked like that as they were all preformed blocks just sitting on the crazy paving with no appearance of anything underneath them that would have adjusted the level. :fingers crossed: The wooden base of the greenhouse was bolted to them and was presumably there to keep the wood off the ground - but I know nothing about construction. :noidea:

    The rain has stopped at the moment so I hope to start the pressure washing when it is light. I'll lift the black membrane off the soil bed in the greenhouse and blast everything into it. Sounds easy but probably isn't!
     
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    • pete

      pete Growing a bit of this and a bit of that....

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      You obviously did a good job when you layed the crazy paving. :blue thumb:
       
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      • shiney

        shiney President, Grumpy Old Men's Club Staff Member

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        All I've got to worry about is if there is any subsidence. :scratch: If there is, and it's not too bad, I don't know whether a skim of concrete might be enough.

        It has just stopped raining so I'll wait a short time before pressure washing. Then we shall need a spirit level to check the paving it will go on.
         
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        • pete

          pete Growing a bit of this and a bit of that....

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          I'm
          I wasn't trying to cause any concern, it's just that I visualised the fitters turning up and having to sort a few things out before they can start, which might involve levelling things up and then going away again while something sets.
          Prolonging the process.
           
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          • Alisa

            Alisa Super Gardener

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            That's a massive lot of works done. Are you planning on growing something tall in the new greenhouse? Just as a thought, it's possible to build some base to sit greenhouse on, then it's more height added.
             
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            • shiney

              shiney President, Grumpy Old Men's Club Staff Member

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              No problem. The concern has been there right from the start. The ground/paved area is pretty level but the concern is whether individual bits of paving have moved.

              The only tall things are tomatoes and the height will be sufficient for that. We are trying to slow down in the garden (age is already doing that for us) so we don't want to increase things more than we have already.

              We have another large tree that needs removing (got too big for its site) and are getting a quote this afternoon for removal. :phew:
               
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              • shiney

                shiney President, Grumpy Old Men's Club Staff Member

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                The skip has just been picked up. We managed to put a lot more 'stuff' in there by wandering round the garden looking for unwanted things such as a 70 year old metal wheelbarrow where the wheel had fallen off because of rust. :rolleyespink: The tyre was still good. :heehee:
                 
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                • pete

                  pete Growing a bit of this and a bit of that....

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                  So you saved the tyre I hope.:whistle:
                   
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                  • CanadianLori

                    CanadianLori Total Gardener

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                    I am really excited about you being almost ready for the new house. Being able to have a little bit of a clear out too is a nice bonus. Things always feel "roomy" after that.

                    How you set up the electrical and watering and staging and propogaters and on and on, is going to be interesting.

                    Thank you for sharing! :spinning:
                     
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                    • shiney

                      shiney President, Grumpy Old Men's Club Staff Member

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                      It will certainly be interesting :whistle: but no watering system.
                       
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                      • shiney

                        shiney President, Grumpy Old Men's Club Staff Member

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                        By the time I had scraped up most of the soil and debris I had almost completely filled up a wheelie bin.

                        upload_2025-11-3_22-22-8.jpeg

                        upload_2025-11-3_22-22-8.jpeg

                        upload_2025-11-3_22-22-8.jpeg

                        I also lifted the porous matting from the non paved area before I started to pressure wash the area.
                        upload_2025-11-3_22-30-41.jpeg

                        The soil underneath it, 50 years ago, was flat but now it is lumpy and rock hard.
                        upload_2025-11-3_22-30-41.jpeg

                        Scraped but not pressure washed yet
                        upload_2025-11-3_22-34-18.jpeg

                        After a quick (one hour) of washing.

                        This is one of the long sides where the crazy paving was covered with slabs and, hopefully, will only need some pointing.
                        upload_2025-11-3_22-37-41.jpeg

                        The framework of the greenhouse at this narrow end should be able to be sited on the big slabs here. They were the path by the door. I can then increase the approach (very right of the picture) by removing a little of the lawn and flower bed that is there.
                        upload_2025-11-3_22-37-41.jpeg
                        This is the opposite end where the framework should be sited on the crazy paving
                        upload_2025-11-3_22-37-41.jpeg

                        This is the other long side which will also need some pointing.
                        upload_2025-11-3_22-37-41.jpeg

                        upload_2025-11-3_22-37-41.jpeg

                        I'm hoping that the installers will consider it good enough.
                         
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                        • shiney

                          shiney President, Grumpy Old Men's Club Staff Member

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                          One corner that was covered with a slab will need to be lifted and reset because it is higher and the Dabbing will need to be removed. The old greenhouse didn't sit on that area but the new will need to.
                          upload_2025-11-3_22-51-50.jpeg

                          upload_2025-11-3_22-51-50.jpeg

                          The soil area has grown some roots in it but the cleaned plastic has now been put back
                          upload_2025-11-3_22-55-2.jpeg
                           
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                          • CanadianLori

                            CanadianLori Total Gardener

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                            That's a lot of work done! It looks like a sturdy, level base now that we can see it after the your clean up. Leveling stones is a real bit of a pain in the back of your lap. I remember having to do that with something and it seemed that what seems just a tablespoon too much of fill in some places could really throw things out of whack. Hope that last bit doesn't give you a hard time. :fingers crossed:
                             
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                              Last edited: Nov 4, 2025
                            • Allotment Boy

                              Allotment Boy Lifelong Allotmenteer

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                              I had a similar experience. I once put down a skim on a patch of concrete patio thinking it needed leveling for a shed. When the intallers came one borrowed my mattock and "chisseled" it off again , saying it was level enough without it.!
                               
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